A combination tag is disclosed, including a magnetically-responsive element and a radio frequency-responsive element. In one embodiment, the magnetically-responsive element also functions as an antenna for the radio frequency-responsive element.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An apparatus, comprising: a passive, unpowered radio frequency-responsive element comprising an antenna, and an integrated circuit for storing and updating information in a memory and for communicating information by the antenna; and a magnetic material connected with the radio frequency-responsive element, the magnetic material generating a predetermined characteristic response when the magnetic material is in an alternating magnetic field.
2. The apparatus of claim 1 , wherein the antenna comprises the magnetic material.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
August 14, 2000
November 11, 2003
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